U.S., May 21 -- ClinicalTrials.gov registry received information related to the study (NCT07600086) titled 'High-Altitude Polycythemia Study' on May 14.
Brief Summary: This study aims to evaluate the clinical efficacy of non-invasive ventilation (NIV) in treating patients with high-altitude polycythemia (HAPC).
Participants will be enrolled according to the international diagnostic criteria for high-altitude polycythemia. The study will use both retrospective cohort and prospective study methods.
All participants will receive standard basic care. In addition, the intervention group will receive non-invasive ventilation treatment using either BiPAP or CPAP mode.
Key measurements, including routine blood tests, liver function, renal funct...